to moscow. >> reporter: the case is big news in russia. >> russia and the u.s. in an international spy swap. >> reporter: sources say negotiations is underway for a trade and u.s. officials want the defendants to make some admission of guilt. randall pinkston, cbs news, new york. >>> three suspects al-qaeda members are in jail. they were arrested this morning in norway. u.s. officials say that they were hatching a bombing plot, similar to an attack planned for the new york subways. that one was thwarted. attorney general eric holder says it is one of the most serious plots since 9/11 and a similar failed plot on england was revealed yesterday. >>> right now, police are searching for two missing tourists in philadelphia. but not without the divers. the victims fell in to the delaware river yesterday. 37 people were on board an amphibious vehicle known as a duck boat. it stalled in the water, and it collided with a barge. 35 people were rescued, thanks to the quick action by first responders. however, hope is fading for the two missing victims. >> the vehicle is laying upright on its wheels.